4 years ago

In your study unit, a relationship is compared to a car to point out that

1 answer:

8 0

To point out that relationships call for regular maintenance. Cars need regular oil checkups and such and so do relationships.

Hope this helps :)

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larisa [96]

Answer:

radiation

Explanation:

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3 years ago

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A wave traveling at 100 m/s has a frequency of 200Hz. What is the wavelength of this wave?

Natalija [7]

The wavelength formula is λ = v/f.
100/200= .5
The wavelength is .5

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3 years ago

a blackbody is at temperature of 500°C . What would be its temperature in Kelvin for it to radiate twice as much energy per seco

Firdavs [7]

Answer:

773.15K

Explanation:

Temperature is measured in different units, however, the standard or absolute temperature unit is Kelvin (K).

To convert the temperature of a black body, which is 500°C to Kelvin, we use;

T(K) = T(°C) + 273.15

T(K) = 500°C + 273.15

T(K) = 773.15K

Hence, the temperature of the blackbody at 500°C will be 773.15 K for it to radiate twice as much energy per second.

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3 years ago

Ipaliwanag ang paggalang

cestrela7 [59]

paraan ito ng pagrerespeto

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3 years ago

a sailboat sails 50 km to the north then 80 km in the direction 38 degrees west of south. what is the net displacement of the bo

True [87]

Answer:

35.489km

Explanation:

a diagram illustrating the question is attached

now, applying cosine rule to find the displacement c

cosine rule;

c²=a²+b²-2abCos ∅

c²=50²+80²-2(50)(80)Cos 38°

c²=2500 + 6400 - (8000×0.9951)

c²=8900-7640.589

c²=1259.411

c= $\sqrt{1259.411}$

c=35.49km

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